The countdown: how the UK's departure from the EU could unfold

Clock began ticking from Wednesday to unwind four and half decades of membership and devise new relationshipWhen Britain’s most senior envoy to Brussels, Sir Tim Barrow, handed the UK’s official divorce notice to the European council president, Donald Tusk, on Wednesday afternoon, the clock started ticking. From that moment, Britain had two years to unwind four and a half decades of EU membership, start replacing reams of EU law with a domestic equivalent and work out its future ties